package Stack;

import java.util.Stack;

public class CheckIsPopOrder {
    public boolean IsPopOrder(int[] pushA,int[] popA) {
        Stack<Integer> stack = new Stack<>();
        int j = 0;
        for(int i = 0;i<pushA.length;i++) {
            stack.push(i);
            while(!stack.empty() && j<popA.length && stack.peek()==popA[j]){
                stack.pop();
                j++;
            }
        }
        return stack.empty();

    }
}
